ELIF: Why do flurecent lights flicker when they are turned on?
In: Engineering
A fluorescent light contains a gas. When electricity is applied the elections collide with those of the gas which causes an emission of light.
When the light isn’t used for a while the gas cools and becomes a liquid on the side of the tube.
Once the tube gets warm enough all of the liquid is a gas again but it takes a little while. So the light appears to flicker in the mean time.
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